Combination Recording TRIZ Cases
- Thermally-Assisted Magnetic Recording Head Return Path Segmentation
Segmented return path columnar portions reduce coil length and resistance in thermally-assisted magnetic recording heads.
- Optical Detection for TAR Patterned Media Servo and Sync
Optical detection replaces magnetic readback for servo control and write synchronization in high-density bit-patterned media.
- Multi-Writer HAMR Disk Drive Wear Management
Segmented near-field transducers rotate writing duties to overcome thermal wear limits and preserve areal density.
- Thermally-Assisted Magnetic Recording Head Plasmon Generator Design
A plasmon generator with a projection part and light penetration suppression part optimizes near-field light generation for magnetic recording heads.
- HAMR Cooling Periods for Bit Boundary Writing
Pulsed heating with negative pulses creates cooling periods that reduce head temperature and improve areal density in HAMR devices.
- Fly Height Control via Laser Pre-bias Thermal Protrusion
Laser pre-bias current induces thermal protrusion for fly height calibration during short write operations.
- Tapered Plasmonic Waveguide for HAMR Heat Management
A tapered waveguide core with plasmonic strips generates surface plasmon-enhanced near-field radiation patterns.
- NFT Annealing for Thermal Protrusion Control in EAMR
Annealing an NFT dielectric layer relieves internal stress, preventing thermal protrusion that causes disk contact and performance loss.
- Optical Disk Dedicated Area Allocation for OPC Optimization
Dynamic optimum power calibration zone placement resolves manufacturing cost and recording characteristic trade-offs across multiple layers.
- Asymmetric Plasmon Antenna for Magnetic Head Near-Field Control
A triangular plasmon antenna with rounded corners concentrates near-field light intensity at the magnetic pole.
- Optical Disc Focus and Spherical Aberration Control
A control section adjusts focus position and spherical aberration amounts using a two-dimensional search to optimize reproduced signal quality.
- Polarization Rotation Plate for HAMR Writer Energy Transfer
A polarization rotation plate rotates laser light to match near-field transducer requirements.
- Photonic-Band Laser Diode for Thermal-Assisted Magnetic Recording
A photonic-band layer surface-emitting laser diode directs light through a binary lens system to form a minute recording spot.
- Plasmon Generator Groove for Heat Dissipation
A plasmon generator incorporates a rear end groove section to enhance heat dissipation and near-field light generation efficiency.
- Thermally Assisted Magnetic Head Wavelength Optimization
A thermally assisted magnetic head integrates a laser diode with a near-field light generator to heat the recording medium.
- TAMR Head Air Bearing Deformation for Plasmon Reliability
Uncoupled light thermally deforms the air bearing surface to protect the plasmon generator from agglomeration and heat stress.
- Hybrid Plasmonic Disk for HAMR Near-Field Transducer
Segmenting the near-field transducer into plasmonic and thermal zones mitigates heat-induced degradation while sustaining localized surface plasmon generation.
- Thermally-Assisted Magnetic Recording Head Gap Layer Design
Dielectric-metallic gap layers relieve stress on the plasmon generator, suppressing agglomeration and enabling higher-density magnetic recording.
- Thermally-Assisted Magnetic Recording Head Flying Height Setting
A thermally-assisted magnetic recording head setting device determines optimal drive current and heater power for precise flying height control.
- Optical Disc Device Control Parameter Correction
An optical disc device updates control parameters during reading operations to maintain signal accuracy.
- Optical Disc Defect Detection via ATIP and ATFM Signal Comparison
Comparing absolute time in pre-groove signals with frequency-modulated carriers sets wobble defect flags to prevent data errors during optical disc recording.
- Laser Power Calibration for HAMR Media Wedges
Writing test data at varying laser powers across consecutive wedges selects optimal settings, cutting calibration time and boosting device availability.
- Off-Disk NFT Protrusion Measurement in HAMR Transducers
Atomic force microscope measures near-field transducer protrusion without disk proximity, eliminating media cooling interference.
- Optical Disc Off-Track Detection Sensitivity Control
A signal processing device measures track cross cycles to adjust off-track detection sensitivity for optical discs.
- Thermally-Assisted Magnetic Recording Head Clad Portion
A clad portion with a refractive index transition guides surface plasmons to converge near-field light density.